suspicious collections call: process removeAll (IDEA-108755)

java/java-tests/testData/inspection/suspiciousCalls/RemoveAllCall.java

@@ -0,0 +1,16 @@
+import java.util.*;
+
+
+class Simple {
+  public static void main(String[] args) {
+    class O {}
+
+    Map<O, String> someData = new HashMap<O, String>();
+    Set<String> set = new HashSet<String>();
+    Set<O> setO = new HashSet<O>();
+
+    set.removeAll(<warning descr="'Set<String>' may not contain objects of type 'O'">someData.keySet()</warning>);
+    setO.removeAll(someData.keySet());
+
+  }
+}

java/java-tests/testSrc/com/intellij/codeInspection/SuspiciousCollectionMethodCallsTest.java

@@ -20,6 +20,7 @@ public class SuspiciousCollectionMethodCallsTest extends LightCodeInsightFixture
   }
 
   public void testConcurrentHashMap() throws Exception { doTest(); }
+  public void testRemoveAllCall() throws Exception { doTest(); }
   public void testUseDfa() throws Exception { doTest(); }
   public void testWildcard() throws Exception { doTest(); }
   public void testIgnoreConvertible() throws Exception {